<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8" />
	<title>jQuery UI Draggable - Events</title>
	<link type="text/css" href="../../themes/base/jquery.ui.all.css" rel="stylesheet" />
	<script type="text/javascript" src="../../jquery-1.4.2.js"></script>
	<script type="text/javascript" src="../../ui/jquery.ui.core.js"></script>
	<script type="text/javascript" src="../../ui/jquery.ui.widget.js"></script>
	<script type="text/javascript" src="../../ui/jquery.ui.mouse.js"></script>
	<script type="text/javascript" src="../../ui/jquery.ui.draggable.js"></script>
	<link type="text/css" href="../demos.css" rel="stylesheet" />
	<style type="text/css">
		#draggable { width: 16em; padding: 0 1em; }
		#draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
		#draggable ul li span.ui-icon { float: left; }
		#draggable ul li span.count { font-weight: bold; }
	</style>
	<script type="text/javascript">
		$(function() {
			var $start_counter = $('#event-start'), $drag_counter = $('#event-drag'), $stop_counter = $('#event-stop');
			var counts = [0,0,0];

			$("#draggable").draggable({
				start: function() {
					counts[0]++;
					updateCounterStatus($start_counter,counts[0]);
				},
				drag: function() {
					counts[1]++;
					updateCounterStatus($drag_counter,counts[1]);
				},
				stop: function() {
					counts[2]++;
					updateCounterStatus($stop_counter,counts[2]);
				}
			});
		});

		function updateCounterStatus($event_counter,new_count) {
			// first update the status visually...
			if (!$event_counter.hasClass('ui-state-hover')) {
				$event_counter.addClass('ui-state-hover')
					.siblings().removeClass('ui-state-hover');
			}
			// ...then update the numbers
			$('span.count',$event_counter).text(new_count);
		}
	</script>
</head>
<body>

<div class="demo">

<div id="draggable" class="ui-widget ui-widget-content">

	<p>Drag me to trigger the chain of events.</p>

	<ul class="ui-helper-reset">
		<li id="event-start" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-play"></span>"start" invoked <span class="count">0</span>x</li>
		<li id="event-drag" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-arrow-4"></span>"drag" invoked <span class="count">0</span>x</li>
		<li id="event-stop" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-stop"></span>"stop" invoked <span class="count">0</span>x</li>
	</ul>
</div>

</div><!-- End demo -->

<div class="demo-description">

<p>
Layer functionality onto the draggable using the <code>start</code>, <code>drag</code>, and <code>stop</code> events.  Start is fired at the start of the drag; drag during the drag; and stop when dragging stops.
</p>

</div><!-- End demo-description -->

</body>
</html>
